package com.sky.controller.admin;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags="菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /*
    * 新增菜品
    * @param disDTO
    * @return
    * */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);

        dishService.saveWithFlavor(dishDTO);
        // 清理换缓存数据
        String key = "dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();

    }

    /*
    * 菜品分页查询
    * */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);

    }

    /*
    * 批量删除菜品
    * @param ids
    * */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){

        log.info("菜品批量删除!");
        dishService.deleteBatch(ids);

        // 清理缓存数据，将所有菜品缓存删除，以dish_开头
        cleanCache("dish_*");

        return Result.success();
    }
    /*
    * 根据id查询菜品
    * @param id
    * @return
    * */
    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getByid(@PathVariable Long id){

        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }

    /*
    * 修改菜品的基本信息和口味信息
    * @param dishDTO
    * @return
    * */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        // 修改分类的话，可能会影响两个 数据
        // 清理缓存数据，将所有菜品缓存删除，以dish_开头
        cleanCache("dish_*");

        return Result.success();
    }

    //根据分类id查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){//这里的参数记得要是categoryId
        log.info("根据分类id查询菜品：{}",categoryId);
        List<Dish> list =dishService.getByCategoryId(categoryId);
        return Result.success(list);
    }


    /**
     * 菜品的起售和停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("status/{status}")
    @ApiOperation("菜品的起售和停售")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        log.info("菜品的起售停售：{},{}",status == 1 ? "起售" : "停售" ,id);
        dishService.startOrStop(status,id);

        // 清理缓存数据，将所有菜品缓存删除，以dish_开头
        cleanCache("dish_*");
        return Result.success();
    }
    /*
    * 清理缓存数据
    * */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }



}
